30 Fish Trivia Quiz Questions & Answers

Fish are a diverse and fascinating group of aquatic animals that inhabit the waters of oceans, rivers, lakes, and even some smaller bodies of water around the world. They belong to the class Actinopterygii and are part of the broader group of animals known as vertebrates.

Fish come in a wide variety of sizes, shapes, and colors, reflecting the incredible diversity of species within this group. They can range from tiny, colorful reef fish to massive ocean-dwelling giants like the whale shark.

Fish are cold-blooded animals, meaning their body temperature is influenced by the surrounding water temperature. As such, they are well-suited to a wide range of aquatic habitats, from icy Arctic waters to warm tropical reefs.

• Part 1: 30 fish trivia questions & answers
• Part 2: Download fish questions & answers for free
• Part 3: Free online quiz making platform – OnlineExamMaker

Part 1: 30 interesting fish trivia questions and answers

1. What is the term for animals that live and breathe underwater and have gills?
a) Amphibians
b) Reptiles
c) Mammals
d) Fish
Answer: d) Fish

2. What is the largest known species of fish?
a) Blue whale
b) Great white shark
c) Giant squid
d) Mola mola (Ocean sunfish)
Answer: d) Mola mola (Ocean sunfish)

3. How do fish obtain oxygen from the water?
a) Through their lungs
b) By absorbing it through their skin
c) By swallowing air bubbles
d) Through their gills
Answer: d) Through their gills

4. What is the purpose of a fish’s swim bladder?
a) To store food
b) To regulate buoyancy
c) To produce sound
d) To protect the fish’s internal organs
Answer: b) To regulate buoyancy

5. What is the term for a group of fish?
a) Flock
b) School
c) Herd
d) Pack
Answer: b) School

6. Which of the following is not a type of fish?
a) Trout
b) Salmon
c) Dolphin
d) Tuna
Answer: c) Dolphin

7. What is the name for a female fish?
a) Cow
b) Sow
c) Doe
d) Hen
Answer: a) Cow

8. What is the term for a male fish?
a) Bull
b) Boar
c) Drake
d) Gander
Answer: a) Bull

9. What is the process of fish laying eggs called?
a) Ovulation
b) Fertilization
c) Spawning
d) Hatching
Answer: c) Spawning

10. Which type of fish is known for its ability to generate an electric field for navigation and communication?
a) Electric eel
b) Clownfish
c) Piranha
d) Angelfish
Answer: a) Electric eel

11. Which fish is famous for its symbiotic relationship with anemones?
a) Clownfish
b) Swordfish
c) Catfish
d) Guppy
Answer: a) Clownfish

12. Which fish is known for its ability to “fly” by gliding above the water’s surface?
a) Flying fish
b) Sailfish
c) Flying gourami
d) Archerfish
Answer: a) Flying fish

13. What is the term for fish eggs?
a) Caviar
b) Roe
c) Runt
d) Spawn
Answer: b) Roe

14. Which fish is often referred to as the “king of herrings” and is the world’s longest bony fish?
a) Swordfish
b) Oarfish
c) Sturgeon
d) Mahi-mahi
Answer: b) Oarfish

15. What is the process of fish returning to their birthplace to spawn called?
a) Migrating
b) Swarming
c) Homing
d) Roaming
Answer: c) Homing

Part 2: Download fish questions & answers for free

16. Which fish species is known for its unique ability to change its sex from female to male?
a) Clownfish
b) Parrotfish
c) Seahorse
d) Guppy
Answer: b) Parrotfish

17. What is the term for a fish’s fin that runs along its back from head to tail?
a) Dorsal fin
b) Pectoral fin
c) Caudal fin
d) Anal fin
Answer: a) Dorsal fin

18. Which fish is known for its ability to produce sound using specialized muscles to communicate and scare off predators?
a) Catfish
b) Drum fish
c) Goldfish
d) Grouper
Answer: b) Drum fish

19. What is the primary function of a fish’s lateral line system?
a) Vision
b) Hearing
c) Smelling
d) Detecting vibrations and movement in water
Answer: d) Detecting vibrations and movement in water

20. Which fish is famous for its spectacular and colorful courtship display during breeding season?
a) Betta fish
b) Angelfish
c) Discus fish
d) Siamese fighting fish
Answer: a) Betta fish

21. Which fish species is known for its ability to “walk” on land using its pectoral fins and gulp air to breathe?
a) Mudskipper
b) Lungfish
c) Eel catfish
d) Walking catfish
Answer: a) Mudskipper

22. What is the name for the process of removing oxygen from water to breathe?
a) Panting
b) Gasping
c) Asphyxiation
d) Gasp reflex
Answer: c) Asphyxiation

23. Which fish is famous for its ability to change color and camouflage itself to blend with its surroundings?
a) Guppy
b) Lionfish
c) Octopus
d) Damsel fish
Answer: c) Octopus

24. What is the term for a fish’s tail fin?
a) Caudal fin
b) Pectoral fin
c) Dorsal fin
d) Anal fin
Answer: a) Caudal fin

25. Which fish species is known for its migratory journey to the upper reaches of rivers for spawning?
a) Sturgeon
b) Salmon
c) Catfish
d) Trout
Answer: b) Salmon

26. Which fish has a streamlined body shape that allows it to reach remarkable speeds in the water?
a) Clownfish
b) Angelfish
c) Sailfish
d) Tetra fish
Answer: c) Sailfish

27. What is the term for a fish’s lower fin located near the tail?
a) Dorsal fin
b) Pectoral fin
c) Anal fin
d) Caudal fin
Answer: c) Anal fin

28. Which fish is famous for its jumping ability and is known for leaping out of the water?
a) Swordfish
b) Mahi-mahi
c) Flying fish
d) Barracuda
Answer: c) Flying fish

29. Which fish is known for its unique hunting technique of shooting water at insects to knock them down and eat them?
a) Archerfish
b)Lionfish
c) Grouper
d) Clownfish
Answer: a) Archerfish

30. What is the term for the protective coating on a fish’s scales that gives them a slimy texture?
a) Glaze
b) Wax
c) Mucus
d) Varnish
Answer: c) Mucus

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